Dental tool



(No Model H. W. BUSGHBMEYER.

DENTAL TOOL.

No. 349,338. [Patented Sept. 21,1333.

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UNITED STATES PATENT OFFICE.

HENRY W. BUSCHEMEYER, OF LOUISVILLE, KENTUCKY.

DENTAL TOOL.

SPECIFICATION forming part of Letters Patent No. 349,338, datedSeptember 21, 1886.

Application filed July 19, 1886. Serial No. 5103.482. (No model.)

To all whom it may concern:

Be it known that I, HENRY W. BUSOHE- MEYER, a citizen of the UnitedStates, residing at Louisville, in the county of Jefferson and State ofKentucky, have invented a certain new and useful Improvement in DentistsOperating Devices; and I do hereby declare that the following is a full,clear, and exact description of the construct-ion and operation of thesame, reference being had to the accompanying drawings, forming part ofthe specification.

This my invention relates to certain new and useful improvements indental devices for operating saws and files used by dentists inseparating, cutting off, cleaning, and polishing teeth, and also forcondensing gold or composition filling and other similar purposes,consisting of asmall metal case of the required size and form, with therequisite mechanism arranged therein to operate it, which may be done byany suitable means that will give it the required motion.

The object of this my invention is to provide an improved device foroperating saws or files used by dentists in separating, cutting off,cleaning, and polishing teeth, that is susceptible of being changed tocut in any direction, and at the same time avoid injuring the checks orwalls'of the mouth and other teeth. I attain the above object by themechanism illustrated in the drawings, in which-- Figure 1 is aperspective view of the device, showing the case closed up ready foruse. Fig. 2 is a perspective view showing the interior arrangement ofthe operating mechanism there- Fig. 3 is a perspective view of theadjustable guard to prevent injury to the mouth. Fig. 4 is a top view ofthe angle end of the case, showing the file-opening in the follower andthe slide-tube in which it works.

Similar letters refer to similar parts throughout the several views.

In the drawings, A represents the case, which is made of metal, and inform as shown in the drawings,with one side hinged at the bottom, so asto open in order to adjust the interior mechanism.

B is an adjustable guard inserted in sockets C O at alternate corners,near the end of the angle part, to prevent injuring the cheek or wallsof the mouth in its operation.

D is a small spindle working loosely in bear-- ings E E in the inside ofthe case, to answer as a driver to operate the several devices, whichmay be done by any suitable means giving it the required high rate ofspeed.

F is a small disk-pulley on the end of spindle D, to answer as a crankto operate the file or saw mechanism.

G is a pitman or link connecting the crank F with the file-holder H,which works in the tube-formed slide I, secured to the end of the case.This file-holder H is so arranged as to set the file at any requiredangle, and it is held in position by a set-screw, J, at the end, havinga slot to receive it.

'K is the file or saw in position, as shown, and is operatedreciprocally by the spindle D. Therefore what I claim as my invention,

and desire to secure by Letters Patent in den-

